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authorWei WANG <wei_wang@realsil.com.cn>2013-08-20 14:18:52 +0800
committerSamuel Ortiz <sameo@linux.intel.com>2013-08-20 10:22:00 +0200
commit5947c167d145f32d4475d647a87e2af2699efe45 (patch)
treeb75c7a66d0c946c714ed141aff8f66839cd01f6a /drivers/mfd/rts5249.c
parent773ccdfd9cc6f9bf8ec75a59fa742d7a663a5903 (diff)
downloadlinux-5947c167d145f32d4475d647a87e2af2699efe45.tar.bz2
mfd: rtsx: Add shutdown callback in rtsx_pci_driver
Some actions to clear power state should be handled in .shutdown callback in rtsx_pci_driver. This patch adopts the following measures to catch this goal: 1. Add a function rtsx_pci_power_off to abstract the common ops in .shutdown and .suspend 2. Add pcr->ops->force_power_down to fulfill the individual action for each reader model Signed-off-by: Wei WANG <wei_wang@realsil.com.cn> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd/rts5249.c')
-rw-r--r--drivers/mfd/rts5249.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mfd/rts5249.c b/drivers/mfd/rts5249.c
index d5db182f35db..79ff212c3e7b 100644
--- a/drivers/mfd/rts5249.c
+++ b/drivers/mfd/rts5249.c
@@ -88,6 +88,16 @@ static void rts5249_fetch_vendor_settings(struct rtsx_pcr *pcr)
pcr->flags |= PCR_REVERSE_SOCKET;
}
+static void rts5249_force_power_down(struct rtsx_pcr *pcr)
+{
+ /* Set relink_time to 0 */
+ rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 1, 0xFF, 0);
+ rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 2, 0xFF, 0);
+ rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3, 0x01, 0);
+
+ rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03);
+}
+
static int rts5249_extra_init_hw(struct rtsx_pcr *pcr)
{
rtsx_pci_init_cmd(pcr);
@@ -217,6 +227,7 @@ static const struct pcr_ops rts5249_pcr_ops = {
.card_power_on = rts5249_card_power_on,
.card_power_off = rts5249_card_power_off,
.switch_output_voltage = rts5249_switch_output_voltage,
+ .force_power_down = rts5249_force_power_down,
};
/* SD Pull Control Enable: